Finding the Fourth Proportional to 130,926.64, 180,694.17 and 73,566.08
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Solution
The fourth proportional to 130,926.64, 180,694.17 and 73,566.08 is: 101,529.85
Step by Step Solution
- Step 1: Write the proportion equation
130,926.64 : 180,694.17 = 73,566.08 : x - Step 2: Convert to fraction form
130,926.64/180,694.17 = 73,566.08/x - Step 3: Cross multiply
130,926.64x = 180,694.17 × 73,566.08 - Step 4: Simplify right side
130,926.64x = 13,292,961,765.75 - Step 5: Solve for x
x = 13,292,961,765.75/130,926.64 - Step 6: Final answer
x = 101,529.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.